Re: [PATCH 3/3] dt-bindings: iio: Add ltc2947 documentation

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On Fri, Oct 4, 2019 at 9:59 AM Sa, Nuno <Nuno.Sa@xxxxxxxxxx> wrote:
>
> Hi Rob,
>
> Just wanted to clarify something which I don't know if is something I'm
> doing wrong or if it is some issue.
>
> On Wed, 2019-10-02 at 14:06 -0500, Rob Herring wrote:
> >
> > On Wed, Oct 2, 2019 at 10:09 AM Sa, Nuno <Nuno.Sa@xxxxxxxxxx> wrote:
> > > On Wed, 2019-10-02 at 09:19 -0500, Rob Herring wrote:
> > > > On Tue, Sep 24, 2019 at 02:49:45PM +0200, Nuno Sá wrote:
> > > > > Document the LTC2947 device devicetree bindings.
> > > > >
> > > > > Signed-off-by: Nuno Sá <nuno.sa@xxxxxxxxxx>
> > > > > ---
> > > > >  .../bindings/hwmon/adi,ltc2947.yaml           | 101
> > > > > ++++++++++++++++++
> > > > >  MAINTAINERS                                   |   1 +
> > > > >  2 files changed, 102 insertions(+)
> > > > >  create mode 100644
> > > > > Documentation/devicetree/bindings/hwmon/adi,ltc2947.yaml
> > > > >
> > > > > diff --git
> > > > > a/Documentation/devicetree/bindings/hwmon/adi,ltc2947.yaml
> > > > > b/Documentation/devicetree/bindings/hwmon/adi,ltc2947.yaml
> > > > > new file mode 100644
> > > > > index 000000000000..2ea0187421d4
> > > > > --- /dev/null
> > > > > +++ b/Documentation/devicetree/bindings/hwmon/adi,ltc2947.yaml
> > > > > @@ -0,0 +1,101 @@
> > > >
> > > > Missing license. Please make new bindings (GPL-2.0-only OR BSD-2-
> > > > Clause)
> > >
> > > ack.
> > >
> > > > > +%YAML 1.2
> > > > > +---
> > > > > +$id:
> > > > > http://devicetree.org/schemas/bindings/hwmon/adi,ltc2947.yaml#
> > > > > +$schema: http://devicetree.org/meta-schemas/core.yaml#
> > > > > +
> > > > > +title: Analog Devices LTC2947 high precision power and energy
> > > > > monitor
> > > > > +
> > > > > +maintainers:
> > > > > +  - Nuno Sá <nuno.sa@xxxxxxxxxx>
> > > > > +
> > > > > +description: |
> > > > > +  Analog Devices LTC2947 high precision power and energy
> > > > > monitor
> > > > > over SPI or I2C.
> > > > > +
> > > > > +
> > > > > https://www.analog.com/media/en/technical-documentation/data-sheets/LTC2947.pdf
> > > > > +
> > > > > +properties:
> > > > > +  compatible:
> > > > > +    enum:
> > > > > +      - adi,ltc2947
> > > > > +
> > > > > +  reg:
> > > > > +    maxItems: 1
> > > > > +
> > > > > +  clocks:
> > > > > +    description:
> > > > > +      The LTC2947 uses either a trimmed internal oscillator or
> > > > > an
> > > > > external clock
> > > > > +      as the time base for determining the integration period
> > > > > to
> > > > > represent time,
> > > > > +      charge and energy. When an external clock is used, this
> > > > > property must be
> > > > > +      set accordingly.
> > > > > +    maxItems: 1
> > > > > +
> > > > > +  adi,accumulator-ctl-pol:
> > > > > +    description:
> > > > > +      This property controls the polarity of current that is
> > > > > accumulated to
> > > > > +      calculate charge and energy so that, they can be only
> > > > > accumulated for
> > > > > +      positive current for example. Since there are two sets
> > > > > of
> > > > > registers for
> > > > > +      the accumulated values, this entry can also have two
> > > > > items
> > > > > which sets
> > > > > +      energy1/charge1 and energy2/charger2 respectively. Check
> > > > > table 12 of the
> > > > > +      datasheet for more information on the supported options.
> > > > > +    allOf:
> > > > > +      - $ref: /schemas/types.yaml#/definitions/uint32-array
> > > > > +      - enum: [0, 1, 2, 3]
> > > > > +      - minItems: 2
> > > > > +      - maxItems: 2
> > > > > +    default: [0, 0]
> > > >
> > > > This should be:
> > > >
> > > > allOf:
> > > >   - $ref: ...
> > > > items:
> > > >   enum: [0, 1, 2, 3]
> > > >   default: 0
> > > > minItems: 2
> > > > maxItems: 2
>
> When trying the above I get:
>
> "ltc2947@0: adi,accumulator-ctl-pol:0: [0, 1] is not valid under any of
> the given schemas"

Is dtschema up to date with the latest. I think I fixed this case
recently, though with the wonderful json-schema errors it is hard to
tell.

Rob




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